C4 Unit 1 Water resources on the Earth 1.1

1. About 70% of the global water used is for ___________.

• A. power generation

• B. domestic consumption

• C. farming activities

• D. industrial activities

2. Which of the following is / are the source(s) of energy of the water cycle?

• A. Rivers

• B. The Sun

• C. Wind

• D. Oceans

3. Water changes from liquid to gas state through evaporation and ___________.

• A. transpiration

• B. condensation

• C. surface runoff

• D. infiltration

4. Water vapour forms clouds through ___________.

• A. evaporation

• B. condensation

• C. precipitation

• D. infiltration

5. Rainwater seeps into the soil through infiltration and becomes ___________.

• A. channel flow

• B. overland flow

• C. snow

• D. groundwater